Home / 1,110,812.56-1,665,874.38-400,748.33

Finding the Fourth Proportional to 1,110,812.56, 1,665,874.38 and 400,748.33

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Solution

The fourth proportional to 1,110,812.56, 1,665,874.38 and 400,748.33 is: 600,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,812.56 : 1,665,874.38 = 400,748.33 : x
  2. Step 2: Convert to fraction form
    1,110,812.56/1,665,874.38 = 400,748.33/x
  3. Step 3: Cross multiply
    1,110,812.56x = 1,665,874.38 × 400,748.33
  4. Step 4: Simplify right side
    1,110,812.56x = 667,596,381,442.28
  5. Step 5: Solve for x
    x = 667,596,381,442.28/1,110,812.56
  6. Step 6: Final answer
    x = 600,998.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.